﻿using System;
using System.Collections;
using System.Collections.Generic;

namespace _17._电话号码的字母组合
{
    /// <summary>
    /// https://leetcode.cn/problems/letter-combinations-of-a-phone-number/
    /// </summary>
    public class Solution
    {
        Hashtable HT = new Hashtable()
        {
            {2,"abc" },
            {3,"def" },
            {4,"ghi" },
            {5,"jki" },
            {6,"mno" },
            {7,"pqrs" },
            {8,"tuv" },
            {9,"wxzy" },
        };

        public IList<string> LetterCombinations(string digits)
        {
            string rs = HT[2].ToString();



            return new List<string>();
        }
    }

    class Program
    {
        static void Main(string[] args)
        {

            IList<string> ss = new Solution().LetterCombinations("23");
            foreach (var item in ss)
            {
                Console.WriteLine(item);
            }
        }
    }
}
